serial port software

NCD relay controllers offer computer control from the RS-232 serial port

Serial COM port component for VB.NET, VC#.NET, VB, Delphi, ASP .NET and more

Software tool to save software product key and serial numbers.

Software USB port sniffer, monitor tool with protocol analyzer and data logger

Software-based TCP/IP port forwarder and network administration service

Uses Advanced Serial Data Logger to get either data from an RS232 or COM port.

HsTcp2Com - TCP and UDP/IP to serial COM ports bridge software

Communicate with network print server on TCP port 515 Line Printer Remote/Line Printer Daemon.

FREE network monitoring & alerting, Windows tools, trace, port/network scanner

Free IP scanner is a very fast IP scanner and port scanner.